LMWBSMF Share definition Flag acronym: Lick My Wrinkly Ball Sack Mother FuckerMost commonly used in instant messages. dude "Hey, nice one..."Me "LMWBSMF" LMWBSMF by oldmanDG September 23, 2011 0 0 Get merch Get the LMWBSMF mug. Buy Now — $32.95 See more merch